
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX110-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 110mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ200X110-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. With a nominal 110 mm stroke and a 50 mm adjustment range, it provides a usable travel window of 60 to 110 mm. Belonging to the 200 mm bore class, it delivers substantial thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, scaling up to 21991 N push at 0.7 MPa. This model includes a SUS304 stainless steel rod (option B) for superior corrosion resistance.
The rear adjuster acts as a mechanical stop to fine-tune the retract end position during commissioning without adding external stops. It is not a locking device and cannot hold a load without live air pressure. For position holding, consider the SAIL or BSAI series. This cylinder features a PT tapered port (G3/4), dual-side sensor grooves for CMSE reed or DMSE electronic switches, and operates at 30-500 mm/s. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX110-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 110 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×110 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Dial in the exact 60-110 mm retract distance during heavy press commissioning to accommodate varying material thicknesses without changing the cylinder.
Adjust the end-stop on the fly during product-size transitions on a conveyor line, utilizing the 50 mm adjustment range for rapid setup.
Leverage the SUS304 stainless steel rod and 21991 N push force at 0.7 MPa for high-impact assembly tasks in washdown or corrosive environments.
Choose the 200 mm bore when your application requires extreme force, stepping up from the 160 mm bore which provides 10053 N push at 0.5 MPa. The adjustable 60-110 mm travel window is ideal for product-size changeovers on a line, allowing you to dial in the exact end-stop without swapping the cylinder. Because the 40 mm rod and M36x2 thread are robust, they handle high side loads well, but for any stroke over 300 mm, an external guide is still recommended.
If you need to replace an existing ISO 15552 cylinder, match the 200 mm bore, 110 mm stroke, 50 mm adjustment, PT G3/4 port, and the -S magnet. The SAIJ mounting set omits FB, CA, CB, and CR brackets. Remember that the rear screw only sets the travel end; for fail-safe load holding without live air, use an external rod lock or pilot-operated check valve.
Quick checklist
At 0.5 MPa, the 200 mm bore provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N, and it reaches a maximum of 28274 N at 0.9 MPa.
The rear adjuster is a mechanical stop that allows you to shorten the nominal 110 mm stroke by up to 50 mm, creating a usable travel window of 60 to 110 mm. It only tunes the end position and does not lock the load without live air.
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